const { initWeixin } = require("../../lib/third-party/index");
const { ERROR } = require("../../common/error");
const {
  preUnifiedLogin,
  postUnifiedLogin,
} = require("../../lib/utils/unified-login");
const {
  generateWeixinCache,
  getWeixinPlatform,
  saveWeixinUserKey,
  saveSecureNetworkCache,
} = require("../../lib/utils/weixin");
const { LOG_TYPE } = require("../../common/constants");
const url = require("url");

/**
 * 微信登录
 * @tutorial https://uniapp.dcloud.net.cn/uniCloud/uni-id-pages.html#login-by-weixin
 * @param {Object} params
 * @param {String} params.code          微信登录返回的code
 * @param {String} params.inviteCode    邀请码
 * @returns
 */
module.exports = async function (params = {}) {
  const schema = {
    code: "string",
    inviteCode: {
      type: "string",
      required: false,
    },
  };
  this.middleware.validate(params, schema);
  const {
    code,
    inviteCode,
    // 内部参数，暂不暴露
    secureNetworkCache = false,
  } = params;
  const { appId } = this.getUniversalClientInfo();
  const weixinApi = initWeixin.call(this);
  const weixinPlatform = getWeixinPlatform.call(this);
  let apiName;
  switch (weixinPlatform) {
    case "mp":
      apiName = "code2Session";
      break;
    case "app":
    case "h5":
    case "web":
      apiName = "getOauthAccessToken";
      break;
    default:
      throw new Error("Unsupported weixin platform");
  }
  let getWeixinAccountResult;
  try {
    getWeixinAccountResult = await weixinApi[apiName](code);
  } catch (error) {
    console.error(error);
    await this.middleware.uniIdLog({
      success: false,
      type: LOG_TYPE.LOGIN,
    });
    throw {
      errCode: ERROR.GET_THIRD_PARTY_ACCOUNT_FAILED,
    };
  }

  const {
    openid,
    unionid,
    // 保存下面四个字段
    sessionKey, // 微信小程序用户sessionKey
    accessToken, // App端微信用户accessToken
    refreshToken, // App端微信用户refreshToken
    expired: accessTokenExpired, // App端微信用户accessToken过期时间
  } = getWeixinAccountResult;

  if (secureNetworkCache) {
    if (weixinPlatform !== "mp") {
      throw new Error("Unsupported weixin platform, expect mp-weixin");
    }
    await saveSecureNetworkCache.call(this, {
      code,
      openid,
      unionid,
      sessionKey,
    });
  }

  const { type, user } = await preUnifiedLogin.call(this, {
    user: {
      wx_openid: {
        [weixinPlatform]: openid,
      },
      wx_unionid: unionid,
    },
  });
  const extraData = {
    wx_openid: {
      [`${weixinPlatform}_${appId}`]: openid,
    },
    wx_unionid: unionid,
  };
  if (type === "register" && weixinPlatform !== "mp") {
    const { nickname, avatar } = await weixinApi.getUserInfo({
      accessToken,
      openid,
    });

    if (avatar) {
      // eslint-disable-next-line n/no-deprecated-api
      const avatarPath = url.parse(avatar).pathname;
      const extName =
        avatarPath.indexOf(".") > -1
          ? url.parse(avatar).pathname.split(".").pop()
          : "jpg";
      const cloudPath = `user/avatar/${openid.slice(-8) + Date.now()}-avatar.${extName}`;
      const getAvatarRes = await uniCloud.httpclient.request(avatar);
      if (getAvatarRes.status >= 400) {
        throw {
          errCode: ERROR.GET_THIRD_PARTY_USER_INFO_FAILED,
        };
      }

      const { fileID } = await uniCloud.uploadFile({
        cloudPath,
        fileContent: getAvatarRes.data,
      });

      extraData.avatar_file = {
        name: cloudPath,
        extname: extName,
        url: fileID,
      };
    }

    extraData.nickname = nickname;
  }
  await saveWeixinUserKey.call(this, {
    openid,
    sessionKey,
    accessToken,
    refreshToken,
    accessTokenExpired,
  });
  return postUnifiedLogin.call(this, {
    user,
    extraData: {
      ...extraData,
      ...generateWeixinCache.call(this, {
        openid,
        sessionKey, // 微信小程序用户sessionKey
        accessToken, // App端微信用户accessToken
        refreshToken, // App端微信用户refreshToken
        accessTokenExpired, // App端微信用户accessToken过期时间
      }),
    },
    isThirdParty: true,
    type,
    inviteCode,
  });
};
